Patent Nr. 314805
Explore Patent Nr. 314805 (2020), including ReelBot’s take, cast, runtime, where to watch, and similar movies worth adding to your list.
2020 · 2 min · Documentary
Overview
Finnish engineer Eric Tigerstedt solved the dilemma of sound-on-film already before the First World War. All images and sounds in this short film are produced from the surviving test materials originally created in 1914.
Directed by Mika Taanila